xref: /netbsd-src/external/mpl/bind/dist/lib/isc/managers.c (revision bcda20f65a8566e103791ec395f7f499ef322704)
1 /*	$NetBSD: managers.c,v 1.5 2025/01/26 16:25:37 christos Exp $	*/
2 
3 /*
4  * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
5  *
6  * SPDX-License-Identifier: MPL-2.0
7  *
8  * This Source Code Form is subject to the terms of the Mozilla Public
9  * License, v. 2.0. If a copy of the MPL was not distributed with this
10  * file, you can obtain one at https://mozilla.org/MPL/2.0/.
11  *
12  * See the COPYRIGHT file distributed with this work for additional
13  * information regarding copyright ownership.
14  */
15 
16 #include <isc/managers.h>
17 #include <isc/rwlock.h>
18 #include <isc/util.h>
19 #include <isc/uv.h>
20 
21 void
22 isc_managers_create(isc_mem_t **mctxp, uint32_t workers,
23 		    isc_loopmgr_t **loopmgrp, isc_nm_t **netmgrp) {
24 	REQUIRE(mctxp != NULL && *mctxp == NULL);
25 	isc_mem_create(mctxp);
26 	INSIST(*mctxp != NULL);
27 
28 	REQUIRE(loopmgrp != NULL && *loopmgrp == NULL);
29 	isc_loopmgr_create(*mctxp, workers, loopmgrp);
30 	INSIST(*loopmgrp != NULL);
31 
32 	REQUIRE(netmgrp != NULL && *netmgrp == NULL);
33 	isc_netmgr_create(*mctxp, *loopmgrp, netmgrp);
34 	INSIST(*netmgrp != NULL);
35 
36 	isc_rwlock_setworkers(workers);
37 }
38 
39 void
40 isc_managers_destroy(isc_mem_t **mctxp, isc_loopmgr_t **loopmgrp,
41 		     isc_nm_t **netmgrp) {
42 	REQUIRE(mctxp != NULL && *mctxp != NULL);
43 	REQUIRE(loopmgrp != NULL && *loopmgrp != NULL);
44 	REQUIRE(netmgrp != NULL && *netmgrp != NULL);
45 
46 	/*
47 	 * The sequence of operations here is important:
48 	 */
49 
50 	isc_netmgr_destroy(netmgrp);
51 	isc_loopmgr_destroy(loopmgrp);
52 	isc_mem_destroy(mctxp);
53 }
54